swift 建立第一個UIAlertView 和UIActionSheet

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//建立 UIActionSheet

／／一定要指明類型。不編譯不通過

func ActionSheet(sender:UITapGestureRecognizer)
??? {
??????? let actionSheet: UIActionSheet = UIActionSheet(title:"Are you sure?", delegate:self, cancelButtonTitle:"Cancel", destructiveButtonTitle:"Yes,I‘m sure!");
??????? actionSheet.showInView(self.view)
?????? ?
??? }

//actionSheet delegate
??? func actionSheet(actionSheet: UIActionSheet, clickedButtonAtIndex buttonIndex: Int) {
??????? if buttonIndex == 0{
??????????? println("點擊位置為\(buttonIndex)")
??????? }
??? }

//建立UIAlertView

func firstSwift(sender:UIButton)
??? {
?????? println("第一個button的點擊事件")
?????? self.label1.text = "button點擊了"
?????? var alert = UIAlertView(title: "?", message: "button被點擊了", delegate: self, cancelButtonTitle: "知道了")
?????? alert.show()
??? }

swift 建立第一個UIAlertView 和UIActionSheet